[Dirks Piano Tuner Crack
Rancul Ratha
Dirk's Piano Tuner is a simple way of tuning a piano.
Dirk's Piano Tuner analyzes the instrument and uses the results to calculate the optimal tuning for the piano which has been analyzed.
The tuner had to automatically recognize every note accurately, within a very short period of time.
It also had to perform at least as fast (preferably a lot faster) than the classical system of "tuning by ear".
I want to tune my piano using an android app. I am not a professional pianist, I just play as a hobby. The problem is that it seems the mobile builtin microphone cannot detect very high or very low frequencies and hence I cannot tune the uppermost and lowermost octaves.Can you suggest any suitable type of microphone for solving this issue? Is there any suitable type for both tuning and medium-quality music recording?
The microphones of most smart phones or portable PCs are able to reliably record frequencies between 100Hz and 10kHz. Although a piano can produce bass frequencies well below 100Hz, a useful tuning software does not need to consider them as it can derive enough information from the overtones with higher frequencies. So it depends on the piano tuning app you are using whether the quality of the microphone plays a role.
Entropy Piano Tuner and Dirk's Piano Tuner try to minimize the total entropy of all overtones sounding together. Their developers state that an external high-quality microphone is essential to capture all overtones.
Pianoscope, PianoMeter, Verituner and TuneLab are optimized for smartphones and tablets and do not require the microphones to pick up low frequencies. They achieve a high precision by focusing on higher pitched overtones. TuneLab respects only a single partial per note whereas Pianoscope, PianoMeter and Verituner use a combination of multiple partials.
The actual linearity of the microphone's frequency response does not play a role for the actual tuning process. But Pianoscope and Pianometer additionally measure the intensities of the first ten overtones. From them they derive which tuning intervals to prefer in different parts of the piano range when they calculate their tuning curves. These calculations can be affected by a microphone with a non-linear frequency response. But in practice the variations in the resulting tuning curves are small.
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